Designed for dependable circuit defense, the Siemens 3VA5217-5ED31-0AA0 is a 3-pole, 175A MCCB delivering standard long-time and instantaneous (LI) protection. This component installs into modern Siemens 3VA panelboards. It can also replace discontinued FXD63B175 breakers by applying the required panelboard retrofit kit. Featuring a Class M rating of 35kAIC at 480V, it includes a TM210 trip unit with fixed thermal and magnetic settings. It is HACR rated and current limiting.
Yes. Siemens 3VA5 thermal-magnetic circuit breakers are UL listed for reverse feed applications, allowing power to be supplied to either the line or load terminals.
What frame size is the 3VA5217-5ED31-0AA0?
This breaker belongs to the Siemens 3VA52 frame size, which has a maximum capacity of 250A. This specific unit is factory set with a 175A trip rating.
Are the trip settings adjustable on this breaker?
No. The 3VA5217-5ED31-0AA0 features a fixed thermal and fixed magnetic (TM210) trip unit. The long-time and instantaneous (LI) trip thresholds are factory set and cannot be field adjusted.
What lug kits are compatible with this 175A 3VA52 breaker?
For copper or aluminum wire, you can use the 3VA9233-0JA11 lug kit, which accepts #10 AWG to 3/0 AWG wire, or the 3VA9233-0JA12 lug kit for #4 AWG to 350 kcmil wire. These kits include three lugs for the 3-pole breaker.
Can this breaker be used in direct current (DC) systems?
Yes, the 3VA5217-5ED31-0AA0 is rated for DC applications up to 750VDC. When installing in DC systems, Siemens requires specific pole wiring configurations, such as wiring poles in series, depending on the system voltage.
Does this breaker include auxiliary contacts or shunt trips?
No, the 3VA5217-5ED31-0AA0 does not come with factory-installed internal accessories. Auxiliary switches, alarm contacts, and shunt trips must be purchased separately and field-installed in the accessory pockets.
What is the difference between the 3VA5217-5ED31-0AA0 and the NAVAL-rated version?
The standard 3VA5217-5ED31-0AA0 is for general commercial and industrial use. The NAVAL-rated equivalent is catalog number 3VA5217-5ED31-1AA0, which is certified to UL 489 Supplement SB and is suitable for 50 degrees Celsius applications.
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Customers rate this product 4.8 out of 5 based on 8 reviews.